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Recognised as Colour

#407FA3

  • #407FA3
  • Blue
  • Dark
  • Nearest: Steel blue

#407FA3 is a blue with RGB values 64, 127, 163 and HSL 202°, 44%, 45%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#407FA3#407FA3
HEX#407FA3
RGBrgb(64, 127, 163)
RGB (0–1)0.251, 0.498, 0.6392
RGB percentages25.1%, 49.8%, 63.9%
HSLhsl(201.8, 43.6%, 44.5%)
HSV / HSBhsv(201.8, 60.7%, 63.9%)
CMYK60.7%, 22.1%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,226,979
CSS custom property--colour: #407FA3;

Brightness & contrast

Relative luminance0.18913WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.78:1
Contrast with white4.39:1WCAG normal text: Fail
Contrast with black4.78:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#BF805C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6E7EA5no red cones; affects about 1% of men; ΔE 13.4 from the original
Deuteranopia#6074A2no green cones; the most common form, about 1% of men; ΔE 14.1 from the original
Tritanopia#00888Bno blue cones; rare, and affects men and women equally; ΔE 24.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.39:1WCAG large text: AA
Contrast with black, large text4.78:1WCAG large text: AAA

Named colours

Steel blue · ΔE 8.7Slate grey · ΔE 16.5Light slate grey · ΔE 16.7Cadetblue · ΔE 23.3Teal · ΔE 26Dark cyan · ΔE 27
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.75, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A36440
Analogous#40A395, #404EA3
Triadic#A3407F, #7FA340
Split complementary#A3404E, #A39540
Tetradic#9540A3, #A36440, #4EA340

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6DCE9
Lighter +30%#A2C6DA
Lighter +20%#7DAFCC
Lighter +10%#5899BE
Darker −10%#32627E
Darker −20%#23465A
Darker −30%#152935
Darker −40%#060D11
More saturated +25%#2487BF
Less saturated −25%#5C7787

Channel breakdown

R64
G127
B163
Red64 (25.1%)
Green127 (49.8%)
Blue163 (63.9%)
Hue201.82°
Saturation (HSL)43.61%
Lightness44.51%
Dominant channelBlue
Hex per channelR 40 · G 7F · B A3

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Every value on this page was computed from “407fa3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.